JAMB Use of English 1979 Question 73

Choose the option nearest in meaning to the underlined words: One of the stages of the creative process is the incubation period. This refers to the period when

1. A.the idea is firmly fixed through repetition
2. B.the person suddenly comes upon the idea
3. C.the person thinks over the idea
4. D.the idea yields concrete results
5. E.the idea is given up